13775748479 has 4 divisors (see below), whose sum is σ = 13781067840. Its totient is φ = 13770429120.

The previous prime is 13775748451. The next prime is 13775748487. The reversal of 13775748479 is 97484757731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13775748479 - 2²⁸ = 13507313023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13775748419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2655794 + ... + 2660975.

It is an arithmetic number, because the mean of its divisors is an integer number (3445266960).

Almost surely, 2^13775748479 is an apocalyptic number.

13775748479 is a deficient number, since it is larger than the sum of its proper divisors (5319361).

13775748479 is an equidigital number, since it uses as much as digits as its factorization.

13775748479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5319360.

The product of its digits is 41489280, while the sum is 62.

The spelling of 13775748479 in words is "thirteen billion, seven hundred seventy-five million, seven hundred forty-eight thousand, four hundred seventy-nine".